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Deal with more ways in which meta refresh URLs can be invalid.

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svn path=/trunk/netsurf/; revision=3229
This commit is contained in:
John Mark Bell 2007-04-01 16:41:22 +00:00
parent ccfc0e7516
commit e7fe3678f0
1 changed files with 24 additions and 15 deletions
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39
render/html.c
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@ -61,7 +61,7 @@ static void html_dump_frameset(struct content_html_frames *frame,
static const char empty_document[] =
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\""
" \"http://www.w3.org/TR/html4/strict.dtd\">"
" \"http://www.w3.org/TR/html4/strict.dtd\">"
"<html>"
"<head>"
"<title>Empty document</title>"
@ -575,22 +575,32 @@ bool html_meta_refresh(struct content *c, xmlNode *head)
}
for ( ; url <= end - 4; url++) {
if (!strncasecmp(url, "url=", 4))
if (!strncasecmp(url, "url=", 4)) {
url += 4;
break;
}
/* mail.google.com sends out the broken format "<n>, url='<url>'", so
* special case this */
if (url <= end - 4) {
if ((url[4] == '\'') && (end[-1] == '\'')) {
*--end = '\0';
url++;
}
}
if (url <= end - 4) {
res = url_join(url + 4, c->data.html.base_url,
&refresh);
/* various sites contain junk meta refresh URL components,
* so attempt to deal with this by stripping likely garbage
* from the beginning and end of URLs */
while (url < end) {
if (isspace(*url) || *url == '\'' || *url == '"')
url++;
else
break;
}
while (end > url) {
if (isspace(end[-1]) || end[-1] == '\'' ||
end[-1] == '"')
*--end = '\0';
else
break;
}
if (url < end) {
res = url_join(url, c->data.html.base_url, &refresh);
xmlFree(content);
@ -599,8 +609,7 @@ bool html_meta_refresh(struct content *c, xmlNode *head)
content_broadcast(c,
CONTENT_MSG_ERROR, msg_data);
return false;
}
else if (res == URL_FUNC_FAILED) {
} else if (res == URL_FUNC_FAILED) {
/* This isn't fatal so carry on looking */
continue;
}